内部文档（智能化大厦网络系统建议书）共44页文档 包括：需求分析、局域网选型设计、交换网络设计、智能化大厦安全策略部署、网络管理、工程实施、配置和报价-internal documents (intelligent building network systems for proposals) 44-page document include : needs analysis, Selection LAN design, network design, intelligent buildin